2 layers101.6 × 147.3 mm
Karabas pro revER
andykarpov/karabas-pro
FPGA based retrocomputer with FDD and HDD controllers
223 parts37MIT
2 layers
Smol boy V1
BogdanTheGeek/ESP_RC16An Open-Source Transmitter/Receiver for RC Planes, Cars, Boats and more based on ESP-NOW
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 25
- Pads
- 76
- Tracks, vias
- 166, 5
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 11 Dec 2019
- Updated
- 26 Dec 2019
Overview
Smol boy V1 is an open-source printed circuit board by BogdanTheGeek, from the BogdanTheGeek/ESP_RC repository on GitHub, published under the BSD-2-Clause licence. It is a 2-layer board with 21 parts on 25 nets, routed with 166 tracks and 5 vias.
It is built around the ESP-12E and AMS1117-3.3. Its parts include 9 connectors, 7 resistors, 2 capacitors and 2 ICs. It belongs with the ESP8266 boards of this library.
Main components
2
ESP-12E
SMD,24x16mm-20℃~+70℃ -90dBm 16dBm 170mA 2.4GHz 3V~3.6V 56mA 802.11b/g/n ESP8266 Chip On-board PCB Antenna Over-the-air (OTA) update UART、SPI、I2C SMD,24x16mm WiFi Modules ROHSAi-ThinkerWiFi Modules
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdESP_RC
An Open-Source Transmitter/Receiver for RC Planes, Cars, Boats and more based on the ESP8266 and ESP32 family of devices
Operation
The ESP_RC project is based on the functionality of the ESP8266 and ESP32 use p2p comunication though Wi-fi 802.11n without the use of TCP or UDP. This is called ESP-Now and drastically reduces the latency of the transmission enableing real time control of RC vehicles.The two devices are linked together through their MAC address. The receiver sends telemetry to the transmitter and the transmitter sends controls back. The packet size is limited to 250 Bytes. Current reciever designs are: smol_boy_V1 ESP8266 6-CH receiver with Battery voltage monitoring and I2C peripherals for more telemetry
There are no designs yet for a transmitter however there is a Linux Project that allows Direct comunication through ESP-Now from a PC. This might come in handy: https://github.com/thomasfla/Linux-ESPNOW The first working transmitter will hopefully be able to use a buetooth controller. From my research, the xbox one s controller is a bit tricky but the PS3 controller has a ESP-IDF library available here: https://github.com/jvpernis/esp32-ps3 In the future we might want to build a custom controller with maybe even an LCD screen, accelerometer and so on.
Features
- Built in baterry voltage telemetry
- I2C expansion port telemetry
- Bluetooth controller support for ESP32
- GPS support
- Multiple vehicle profiles configurable via AP
- Easy vehicle controls setup via AP
- Return to home mode (GPS)
- Flight-controller features?
Supported I2C devices
| Support | Name | Description |
|---|---|---|
| :heavy_check_mark: | BMP280 | Temp, Altitude, Pressure |
| :white_check_mark: | MPU-6050 | Gyro, Acceleremeter |
| :white_check_mark: | LSM303D | Compass, 3D accelerometer and 3D magnetometer module |
| :white_check_mark: | MPU-9250 | Gyro, Accelerometer + AK8963 magnetometer |
| :white_check_mark: | HMC5883 | Magnetomer |
| :white_check_mark: | ITG-3200 | 'Gaming' gyro |
| :white_check_mark: | INA219 | Bi-directional current meter |
| :white_check_mark: | Wii IR Sensor | Tracks the 4 brighest IR Points in FOV (Missile tracking?) |
| :white_check_mark: | ZOE/SAM-M8Q | GPS module |
| :white_check_mark: | XA1110 | GPS module |
| :white_check_mark: | LSM9DS1 | Gyro, Accelerometer, magnetometer |
| :white_check_mark: | ADS1115 | 4-CH ADC |
| :white_check_mark: | 24LC256 | EEPROM |
Credit
WifiEspNow library : https://github.com/yoursunny/WifiEspNow ESP32-PS3 library : https://github.com/jvpernis/esp32-ps3/tree/develop Espressif in their holyness.
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4, J5, J6, J7, J8, J9 |
| 5 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1, R2, R3, R6, R7 |
| 2 | 100uF | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D_Pad2.25x2.55mm_HandSolder | C1, C2 |
| 1 | 100K | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R4 |
| 1 | 3.3k | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R5 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | Conn_01x01_Male | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J1 |
| 1 | Conn_01x04_Male | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | Conn_01x06_Male | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | ESP-12E | ESP8266:ESP-12E | U1 |
| 1 | Jumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
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Questions
What parts does the Smol boy V1 use?
21 parts, built around the ESP-12E and AMS1117-3.3. 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.
Where can I download the Smol boy V1 KiCad files?
From the BogdanTheGeek/ESP_RC repository on GitHub, at the commit this page was made from: the board is hardware/smol_boy_V1/smol_boy_V1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Smol boy V1 design in my own project?
Its repository publishes it under the BSD-2-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).