
Base promicro
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

Arduino based RC transmitter with NRF24L01+ module
Rc transmitter is an open-source printed circuit board by kmezynski, from the kmezynski/rc_transmitter repository on GitHub, published under the MIT licence. It is a 2-layer board of 160.9 × 71.1 mm with 30 parts on 39 nets, routed with 385 tracks and 148 vias.
Its parts include 11 capacitors, 7 switches, 4 connectors and 3 ICs. It belongs with the AVR (ATmega, ATtiny) boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100nF | Capacitor_SMD:C_1206_3216Metric | C3, C6, C7, C8, C10, C11 |
| 4 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H13mm | SW4, SW5, SW6, SW7 |
| 3 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2, J3, J4 |
| 2 | 10uF | Capacitor_SMD:C_1206_3216Metric | C1, C2 |
| 2 | Joystick | RF_transmitter:Joystick | JOY1, JOY2 |
| 2 | R_POT | RF_transmitter:Potentiometer_THT_vertical | RV1, RV2 |
| 2 | SW_SPDT | RF_transmitter:SPDT_MTS-102 | SW2, SW3 |
| 1 | 10nF | Capacitor_SMD:C_1206_3216Metric | C5 |
| 1 | 1nF | Capacitor_SMD:C_1206_3216Metric | C4 |
| 1 | 4.7uF | Capacitor_SMD:C_1206_3216Metric | C9 |
| 1 | Arduino_Pro_Mini | RF_transmitter:Arduino_Pro_Mini | U1 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Horizontal | J1 |
| 1 | GY-521_MOD | RF_transmitter:GY-521_module | U3 |
| 1 | NRF24L01_Breakout | RF_transmitter:NRF24L01+ | U2 |
| 1 | SW_SPDT | RF_transmitter:SPDT_SS02-12F20 | SW1 |
| 1 | Volt_Reg_3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | VR1 |

google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards


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It measures 160.9 × 71.1 mm and has 2 copper layers, 1.6 mm thick.
30 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the kmezynski/rc_transmitter repository on GitHub, at the commit this page was made from: the board is RC_transmitter/RC_transmitter.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).