diff --git a/.gitignore b/.gitignore
index acf5dd9..e379450 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,7 +18,6 @@
 *.pch
 
 # Libraries
-*.lib
 *.a
 *.la
 *.lo
@@ -79,10 +78,11 @@ dkms.conf
 *.lai
 *.la
 *.a
-*.lib
 
 # Executables
 *.exe
 *.out
 *.app
 
+# Custom
+!/schematic/*
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..5a0fb7e
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,7 @@
+**Copyright 2020 Anatole SCHRAMM-HENRY**
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+**THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.**
\ No newline at end of file
diff --git a/documentation/Atmel-42735-8-bit-AVR-Microcontroller-ATmega328-328P_Datasheet.pdf b/documentation/Atmel-42735-8-bit-AVR-Microcontroller-ATmega328-328P_Datasheet.pdf
new file mode 100644
index 0000000..e98e8dc
Binary files /dev/null and b/documentation/Atmel-42735-8-bit-AVR-Microcontroller-ATmega328-328P_Datasheet.pdf differ
diff --git a/documentation/DS_FT232R.pdf b/documentation/DS_FT232R.pdf
new file mode 100644
index 0000000..05b4d82
Binary files /dev/null and b/documentation/DS_FT232R.pdf differ
diff --git a/documentation/TOSR-0X USER MANUAL.pdf b/documentation/TOSR-0X USER MANUAL.pdf
new file mode 100644
index 0000000..d517008
Binary files /dev/null and b/documentation/TOSR-0X USER MANUAL.pdf differ
diff --git a/schematic/KiCad/TOSR-04-cache.lib b/schematic/KiCad/TOSR-04-cache.lib
new file mode 100644
index 0000000..5fe1333
--- /dev/null
+++ b/schematic/KiCad/TOSR-04-cache.lib
@@ -0,0 +1,361 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# Connector_Barrel_Jack
+#
+DEF Connector_Barrel_Jack J 0 40 Y Y 1 F N
+F0 "J" 0 210 50 H V C CNN
+F1 "Connector_Barrel_Jack" 0 -200 50 H V C CNN
+F2 "" 50 -40 50 H I C CNN
+F3 "" 50 -40 50 H I C CNN
+ALIAS Jack-DC
+$FPLIST
+ BarrelJack*
+$ENDFPLIST
+DRAW
+A -130 100 25 901 -901 0 1 10 F -130 125 -130 75
+A -130 100 25 901 -901 0 1 10 N -130 125 -130 75
+S -200 150 200 -150 0 1 10 f
+S 145 125 -130 75 0 1 10 F
+P 2 0 1 10 200 100 150 100 N
+P 6 0 1 10 -150 -100 -100 -100 -50 -50 0 -100 100 -100 200 -100 N
+X ~ 1 300 100 100 L 50 50 1 1 P
+X ~ 2 300 -100 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Conn_01x10_Female
+#
+DEF Connector_Conn_01x10_Female J 0 40 Y N 1 F N
+F0 "J" 0 500 50 H V C CNN
+F1 "Connector_Conn_01x10_Female" 0 -600 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+A 0 -500 20 901 -901 1 1 6 N 0 -480 0 -520
+A 0 -400 20 901 -901 1 1 6 N 0 -380 0 -420
+A 0 -300 20 901 -901 1 1 6 N 0 -280 0 -320
+A 0 -200 20 901 -901 1 1 6 N 0 -180 0 -220
+A 0 -100 20 901 -901 1 1 6 N 0 -80 0 -120
+A 0 0 20 901 -901 1 1 6 N 0 20 0 -20
+A 0 100 20 901 -901 1 1 6 N 0 120 0 80
+A 0 200 20 901 -901 1 1 6 N 0 220 0 180
+A 0 300 20 901 -901 1 1 6 N 0 320 0 280
+A 0 400 20 901 -901 1 1 6 N 0 420 0 380
+P 2 1 1 6 -50 -500 -20 -500 N
+P 2 1 1 6 -50 -400 -20 -400 N
+P 2 1 1 6 -50 -300 -20 -300 N
+P 2 1 1 6 -50 -200 -20 -200 N
+P 2 1 1 6 -50 -100 -20 -100 N
+P 2 1 1 6 -50 0 -20 0 N
+P 2 1 1 6 -50 100 -20 100 N
+P 2 1 1 6 -50 200 -20 200 N
+P 2 1 1 6 -50 300 -20 300 N
+P 2 1 1 6 -50 400 -20 400 N
+X Pin_1 1 -200 400 150 R 50 50 1 1 P
+X Pin_10 10 -200 -500 150 R 50 50 1 1 P
+X Pin_2 2 -200 300 150 R 50 50 1 1 P
+X Pin_3 3 -200 200 150 R 50 50 1 1 P
+X Pin_4 4 -200 100 150 R 50 50 1 1 P
+X Pin_5 5 -200 0 150 R 50 50 1 1 P
+X Pin_6 6 -200 -100 150 R 50 50 1 1 P
+X Pin_7 7 -200 -200 150 R 50 50 1 1 P
+X Pin_8 8 -200 -300 150 R 50 50 1 1 P
+X Pin_9 9 -200 -400 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_Screw_Terminal_01x03
+#
+DEF Connector_Screw_Terminal_01x03 J 0 40 Y N 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "Connector_Screw_Terminal_01x03" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ TerminalBlock*:*
+$ENDFPLIST
+DRAW
+C 0 -100 25 1 1 6 N
+C 0 0 25 1 1 6 N
+C 0 100 25 1 1 6 N
+S -50 150 50 -150 1 1 10 f
+P 2 1 1 6 -21 -87 13 -120 N
+P 2 1 1 6 -21 13 13 -20 N
+P 2 1 1 6 -21 113 13 80 N
+P 2 1 1 6 -14 -80 20 -113 N
+P 2 1 1 6 -14 20 20 -13 N
+P 2 1 1 6 -14 120 20 87 N
+X Pin_1 1 -200 100 150 R 50 50 1 1 P
+X Pin_2 2 -200 0 150 R 50 50 1 1 P
+X Pin_3 3 -200 -100 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Connector_USB_B_Mini
+#
+DEF Connector_USB_B_Mini J 0 40 Y Y 1 F N
+F0 "J" -200 450 50 H V L CNN
+F1 "Connector_USB_B_Mini" -200 350 50 H V L CNN
+F2 "" 150 -50 50 H I C CNN
+F3 "" 150 -50 50 H I C CNN
+ALIAS USB_B_Mini
+$FPLIST
+ USB*
+$ENDFPLIST
+DRAW
+C -150 85 25 0 1 10 F
+C -25 135 15 0 1 10 F
+S -200 -300 200 300 0 1 10 f
+S -5 -300 5 -270 0 1 0 N
+S 10 50 -20 20 0 1 10 F
+S 200 -205 170 -195 0 1 0 N
+S 200 -105 170 -95 0 1 0 N
+S 200 -5 170 5 0 1 0 N
+S 200 195 170 205 0 1 0 N
+P 2 0 1 10 -75 85 25 85 N
+P 4 0 1 10 -125 85 -100 85 -50 135 -25 135 N
+P 4 0 1 10 -100 85 -75 85 -50 35 0 35 N
+P 4 0 1 10 25 110 25 60 75 85 25 110 F
+P 5 0 1 0 -170 220 -70 220 -80 190 -160 190 -170 220 F
+P 9 0 1 0 -185 230 -185 220 -175 190 -175 180 -65 180 -65 190 -55 220 -55 230 -185 230 N
+X VBUS 1 300 200 100 L 50 50 1 1 w
+X D- 2 300 -100 100 L 50 50 1 1 B
+X D+ 3 300 0 100 L 50 50 1 1 B
+X ID 4 300 -200 100 L 50 50 1 1 P
+X GND 5 0 -400 100 U 50 50 1 1 w
+X Shield 6 -100 -400 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_Crystal_GND24_Small
+#
+DEF Device_Crystal_GND24_Small Y 0 40 Y N 1 F N
+F0 "Y" 50 175 50 H V L CNN
+F1 "Device_Crystal_GND24_Small" 50 100 50 H V L CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Crystal*
+$ENDFPLIST
+DRAW
+S -30 -60 30 60 0 1 0 N
+P 2 0 1 15 -50 -30 -50 30 N
+P 2 0 1 15 50 -30 50 30 N
+P 4 0 1 0 -50 -50 -50 -75 50 -75 50 -50 N
+P 4 0 1 0 -50 50 -50 75 50 75 50 50 N
+X 1 1 -100 0 50 R 30 50 1 1 P
+X 2 2 0 -100 25 U 30 50 1 1 P
+X 3 3 100 0 50 L 30 50 1 1 P
+X 4 4 0 100 25 D 30 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_Jumper
+#
+DEF Device_Jumper JP 0 30 Y N 1 F N
+F0 "JP" 0 150 50 H V C CNN
+F1 "Device_Jumper" 0 -80 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SolderJumper*
+ Jumper*
+ TestPoint*2Pads*
+ TestPoint*Bridge*
+$ENDFPLIST
+DRAW
+A 0 -26 125 1426 373 0 1 0 N -98 50 99 50
+C -100 0 35 0 1 0 N
+C 100 0 35 0 1 0 N
+X 1 1 -300 0 165 R 50 50 0 1 P
+X 2 2 300 0 165 L 50 50 0 1 P
+ENDDRAW
+ENDDEF
+#
+# Device_LED
+#
+DEF Device_LED D 0 40 N N 1 F N
+F0 "D" 0 100 50 H V C CNN
+F1 "Device_LED" 0 -100 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ LED*
+ LED_SMD:*
+ LED_THT:*
+$ENDFPLIST
+DRAW
+P 2 0 1 10 -50 -50 -50 50 N
+P 2 0 1 0 -50 0 50 0 N
+P 4 0 1 10 50 -50 50 50 -50 0 50 -50 N
+P 5 0 1 0 -120 -30 -180 -90 -150 -90 -180 -90 -180 -60 N
+P 5 0 1 0 -70 -30 -130 -90 -100 -90 -130 -90 -130 -60 N
+X K 1 -150 0 100 R 50 50 1 1 P
+X A 2 150 0 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Interface_USB_FT232RL
+#
+DEF Interface_USB_FT232RL U 0 20 Y Y 1 F N
+F0 "U" -650 900 50 H V L CNN
+F1 "Interface_USB_FT232RL" 400 900 50 H V L CNN
+F2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" 1100 -900 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ SSOP*5.3x10.2mm*P0.65mm*
+$ENDFPLIST
+DRAW
+S -650 850 650 -850 0 1 10 f
+X TXD 1 800 700 150 L 50 50 1 1 O
+X DCD 10 800 100 150 L 50 50 1 1 I L
+X CTS 11 800 400 150 L 50 50 1 1 I L
+X CBUS4 12 800 -700 150 L 50 50 1 1 B
+X CBUS2 13 800 -500 150 L 50 50 1 1 B
+X CBUS3 14 800 -600 150 L 50 50 1 1 B
+X USBD+ 15 -800 400 150 R 50 50 1 1 B
+X USBD- 16 -800 300 150 R 50 50 1 1 B
+X 3V3OUT 17 -800 700 150 R 50 50 1 1 w
+X GND 18 100 -1000 150 U 50 50 1 1 W
+X ~RESET~ 19 -800 0 150 R 50 50 1 1 I
+X DTR 2 800 300 150 L 50 50 1 1 O V
+X VCC 20 100 1000 150 D 50 50 1 1 W
+X GND 21 200 -1000 150 U 50 50 1 1 W
+X CBUS1 22 800 -400 150 L 50 50 1 1 B
+X CBUS0 23 800 -300 150 L 50 50 1 1 B
+X AGND 25 -200 -1000 150 U 50 50 1 1 W
+X TEST 26 -800 -700 150 R 50 50 1 1 I
+X OSCI 27 -800 -200 150 R 50 50 1 1 I
+X OSCO 28 -800 -400 150 R 50 50 1 1 O
+X RTS 3 800 500 150 L 50 50 1 1 O V
+X VCCIO 4 -100 1000 150 D 50 50 1 1 W
+X RXD 5 800 600 150 L 50 50 1 1 I
+X RI 6 800 0 150 L 50 50 1 1 I L
+X GND 7 0 -1000 150 U 50 50 1 1 W
+X DCR 9 800 200 150 L 50 50 1 1 I L
+ENDDRAW
+ENDDEF
+#
+# MCU_Microchip_ATmega_ATmega328P-AU
+#
+DEF MCU_Microchip_ATmega_ATmega328P-AU U 0 20 Y Y 1 F N
+F0 "U" -500 1450 50 H V L BNN
+F1 "MCU_Microchip_ATmega_ATmega328P-AU" 100 -1450 50 H V L TNN
+F2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" 0 0 50 H I C CIN
+F3 "" 0 0 50 H I C CNN
+ALIAS ATmega48P-20AU ATmega48A-AU ATmega48PA-AU ATmega88PV-10AU ATmega88P-20AU ATmega88A-AU ATmega88PA-AU ATmega168PV-10AU ATmega168P-20AU ATmega168A-AU ATmega168PA-AU ATmega328-AU ATmega328P-AU
+$FPLIST
+ TQFP*7x7mm*P0.8mm*
+$ENDFPLIST
+DRAW
+S -500 -1400 500 1400 0 1 10 f
+X PD3 1 600 -800 100 L 50 50 1 1 B
+X PD6 10 600 -1100 100 L 50 50 1 1 B
+X PD7 11 600 -1200 100 L 50 50 1 1 B
+X PB0 12 600 1200 100 L 50 50 1 1 B
+X PB1 13 600 1100 100 L 50 50 1 1 B
+X PB2 14 600 1000 100 L 50 50 1 1 B
+X PB3 15 600 900 100 L 50 50 1 1 B
+X PB4 16 600 800 100 L 50 50 1 1 B
+X PB5 17 600 700 100 L 50 50 1 1 B
+X AVCC 18 100 1500 100 D 50 50 1 1 W
+X ADC6 19 -600 1000 100 R 50 50 1 1 I
+X PD4 2 600 -900 100 L 50 50 1 1 B
+X AREF 20 -600 1200 100 R 50 50 1 1 P
+X GND 21 0 -1500 100 U 50 50 1 1 P N
+X ADC7 22 -600 900 100 R 50 50 1 1 I
+X PC0 23 600 300 100 L 50 50 1 1 B
+X PC1 24 600 200 100 L 50 50 1 1 B
+X PC2 25 600 100 100 L 50 50 1 1 B
+X PC3 26 600 0 100 L 50 50 1 1 B
+X PC4 27 600 -100 100 L 50 50 1 1 B
+X PC5 28 600 -200 100 L 50 50 1 1 B
+X ~RESET~/PC6 29 600 -300 100 L 50 50 1 1 B
+X GND 3 0 -1500 100 U 50 50 1 1 W
+X PD0 30 600 -500 100 L 50 50 1 1 B
+X PD1 31 600 -600 100 L 50 50 1 1 B
+X PD2 32 600 -700 100 L 50 50 1 1 B
+X VCC 4 0 1500 100 D 50 50 1 1 W
+X GND 5 0 -1500 100 U 50 50 1 1 P N
+X VCC 6 0 1500 100 D 50 50 1 1 P N
+X XTAL1/PB6 7 600 600 100 L 50 50 1 1 B
+X XTAL2/PB7 8 600 500 100 L 50 50 1 1 B
+X PD5 9 600 -1000 100 L 50 50 1 1 B
+ENDDRAW
+ENDDEF
+#
+# Regulator_Linear_AMS1117-3.3
+#
+DEF Regulator_Linear_AMS1117-3.3 U 0 10 Y Y 1 F N
+F0 "U" -150 125 50 H V C CNN
+F1 "Regulator_Linear_AMS1117-3.3" 0 125 50 H V L CNN
+F2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" 0 200 50 H I C CNN
+F3 "" 100 -250 50 H I C CNN
+ALIAS AP1117-18 AP1117-25 AP1117-33 AP1117-50 LD1117S33TR_SOT223 LD1117S12TR_SOT223 LD1117S18TR_SOT223 LD1117S25TR_SOT223 LD1117S50TR_SOT223 NCP1117-12_SOT223 NCP1117-1.5_SOT223 NCP1117-1.8_SOT223 NCP1117-2.0_SOT223 NCP1117-2.5_SOT223 NCP1117-2.85_SOT223 NCP1117-3.3_SOT223 NCP1117-5.0_SOT223 AMS1117-1.5 AMS1117-1.8 AMS1117-2.5 AMS1117-2.85 AMS1117-3.3 AMS1117-5.0
+$FPLIST
+ SOT?223*TabPin2*
+$ENDFPLIST
+DRAW
+S -200 -200 200 75 0 1 10 f
+X GND 1 0 -300 100 U 50 50 1 1 W
+X VO 2 300 0 100 L 50 50 1 1 w
+X VI 3 -300 0 100 R 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# Relay_G5LE-1
+#
+DEF Relay_G5LE-1 K 0 20 Y Y 1 F N
+F0 "K" 450 150 50 H V L CNN
+F1 "Relay_G5LE-1" 450 50 50 H V L CNN
+F2 "Relay_THT:Relay_SPDT_Omron-G5LE-1" 450 -50 50 H I L CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Relay*SPDT*Omron*G5LE?1*
+$ENDFPLIST
+DRAW
+S -400 200 400 -200 0 1 10 f
+S -325 75 -75 -75 0 1 10 N
+P 4 0 0 0 300 200 300 100 275 125 300 150 N
+P 2 0 1 10 -300 -75 -100 75 N
+P 2 0 1 0 -200 -200 -200 -75 N
+P 2 0 1 0 -200 200 -200 75 N
+P 2 0 1 10 -75 0 -50 0 N
+P 2 0 1 10 -25 0 0 0 N
+P 2 0 1 10 25 0 50 0 N
+P 2 0 1 10 75 0 100 0 N
+P 2 0 1 10 125 0 150 0 N
+P 2 0 1 20 200 -100 125 150 N
+P 2 0 1 0 200 -100 200 -200 N
+P 4 0 1 0 100 200 100 100 125 125 100 150 F
+X ~ 1 200 -300 100 U 50 50 1 1 P
+X ~ 2 -200 -300 100 U 50 50 1 1 P
+X ~ 3 300 300 100 D 50 50 1 1 P
+X ~ 4 100 300 100 D 50 50 1 1 P
+X ~ 5 -200 300 100 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+# Switch_SW_SPDT
+#
+DEF Switch_SW_SPDT SW 0 0 Y N 1 F N
+F0 "SW" 0 170 50 H V C CNN
+F1 "Switch_SW_SPDT" 0 -200 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+C -80 0 20 0 0 0 N
+C 80 -100 20 0 0 0 N
+C 80 100 20 0 1 0 N
+P 2 0 1 0 -60 10 65 90 N
+X A 1 200 100 100 L 50 50 1 1 P
+X B 2 -200 0 100 R 50 50 1 1 P
+X C 3 200 -100 100 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/schematic/KiCad/TOSR-04.kicad_pcb b/schematic/KiCad/TOSR-04.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/schematic/KiCad/TOSR-04.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/schematic/KiCad/TOSR-04.pro b/schematic/KiCad/TOSR-04.pro
new file mode 100644
index 0000000..152769c
--- /dev/null
+++ b/schematic/KiCad/TOSR-04.pro
@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
diff --git a/schematic/KiCad/TOSR-04.sch b/schematic/KiCad/TOSR-04.sch
new file mode 100644
index 0000000..fa941a2
--- /dev/null
+++ b/schematic/KiCad/TOSR-04.sch
@@ -0,0 +1,313 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Interface_USB:FT232RL U?
+U 1 1 60F3FC11
+P 2700 3000
+F 0 "U?" H 2700 4181 50  0000 C CNN
+F 1 "FT232RL" H 2700 4090 50  0000 C CNN
+F 2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" H 3800 2100 50  0001 C CNN
+F 3 "https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232R.pdf" H 2700 3000 50  0001 C CNN
+	1    2700 3000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:USB_B_Mini J?
+U 1 1 60F4106E
+P 4500 1300
+F 0 "J?" H 4557 1767 50  0000 C CNN
+F 1 "USB_B_Mini" H 4557 1676 50  0000 C CNN
+F 2 "" H 4650 1250 50  0001 C CNN
+F 3 "~" H 4650 1250 50  0001 C CNN
+	1    4500 1300
+	1    0    0    -1  
+$EndComp
+$Comp
+L Regulator_Linear:AMS1117-3.3 U?
+U 1 1 60F41C54
+P 5750 1500
+F 0 "U?" H 5750 1742 50  0000 C CNN
+F 1 "AMS1117-3.3" H 5750 1651 50  0000 C CNN
+F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 5750 1700 50  0001 C CNN
+F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 5850 1250 50  0001 C CNN
+	1    5750 1500
+	1    0    0    -1  
+$EndComp
+$Comp
+L MCU_Microchip_ATmega:ATmega328P-AU U?
+U 1 1 60F44623
+P 5750 3750
+F 0 "U?" H 5750 2161 50  0000 C CNN
+F 1 "ATmega328P-AU" H 5750 2070 50  0000 C CNN
+F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 5750 3750 50  0001 C CIN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 5750 3750 50  0001 C CNN
+	1    5750 3750
+	1    0    0    -1  
+$EndComp
+$Comp
+L Switch:SW_SPDT SW?
+U 1 1 60F47734
+P 7950 2950
+F 0 "SW?" H 7950 3235 50  0000 C CNN
+F 1 "SW_SPDT" H 7950 3144 50  0000 C CNN
+F 2 "" H 7950 2950 50  0001 C CNN
+F 3 "~" H 7950 2950 50  0001 C CNN
+	1    7950 2950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Conn_01x10_Female J?
+U 1 1 60F485B4
+P 7750 4000
+F 0 "J?" H 7778 3976 50  0000 L CNN
+F 1 "Conn_01x10_Female" H 7778 3885 50  0000 L CNN
+F 2 "" H 7750 4000 50  0001 C CNN
+F 3 "~" H 7750 4000 50  0001 C CNN
+	1    7750 4000
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Conn_01x10_Female J?
+U 1 1 60F491A6
+P 9200 3900
+F 0 "J?" H 9228 3876 50  0000 L CNN
+F 1 "Conn_01x10_Female" H 9228 3785 50  0000 L CNN
+F 2 "" H 9200 3900 50  0001 C CNN
+F 3 "~" H 9200 3900 50  0001 C CNN
+	1    9200 3900
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Screw_Terminal_01x03 J?
+U 1 1 60F4A6B4
+P 8150 1450
+F 0 "J?" H 8230 1492 50  0000 L CNN
+F 1 "Screw_Terminal_01x03" H 8230 1401 50  0000 L CNN
+F 2 "" H 8150 1450 50  0001 C CNN
+F 3 "~" H 8150 1450 50  0001 C CNN
+	1    8150 1450
+	1    0    0    -1  
+$EndComp
+$Comp
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diff --git a/schematic/KiCad/TOSR-04.sch-bak b/schematic/KiCad/TOSR-04.sch-bak
new file mode 100644
index 0000000..fff8c68
--- /dev/null
+++ b/schematic/KiCad/TOSR-04.sch-bak
@@ -0,0 +1,4 @@
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diff --git a/schematic/KiCad/fp-info-cache b/schematic/KiCad/fp-info-cache
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/schematic/KiCad/fp-info-cache
@@ -0,0 +1 @@
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