Shared Projects

I little board for the GPS UNTESTED

Allows you to replace a sms bios with a M27C256B or AT28C256 eprom/eeprom providing you have already flashed it with a working sms bios.

Use 2 jumpers to switch between the two chips and the jumpers are placed with one jumper on the top row and another on the bottom row going from left to right.

It will not work if you place a jumper going from the top row to the bottom.

Mavlink controlled GoPro using ESP8266 https://www.github.com/joebarteam/mav2gopro

Breakout board for LSM9DS1 9 DoF motion sensor plus LPS25H altimeter with the EM7180 SENtral sensor fusion hub to test inclusion of pressure data in the 9 DoF sensor fusion result.

LiPo Checker for HoTT

Super small SOT23 switching regulator with 500mA power to replace a LM1117 for high input voltages. Part list: * TI TPS560200 * Resistors 61k9 & 20k * Inductor 10uH * two Capacitors 10uF

see github.com/fabianhu for a schematic (Eagle)

Slim Quality Uncostly Intuitive Drawing Pad, a device specifically designed to replace sticky notes and scraps of paper scattered around the household. I’ve been documenting it on hackaday.io.

Timing Board

9910 add on

Designed for 3 x 600mA leds(*) wired in serial.

‘'Vin’‘ supply shall be a regulated 12V.

The led controller is dimmable with a PWM signal on the ‘'Dim’‘ input (PWM frequency shall be no less than 200Hz and no more than 50 KHz).

Bottom side is a ‘'Gnd’‘ copper plan used for heatsink report.

Bill of Materials :

• Controller = TPS92511 (Texas Instument).
• Inductor = LPS5030-683 (Coilcraft).
• Diode = SS16 (Vishay).
• Capacitors = 1µF / 100V / 1210.
• Resistor RFS = 20Ku (for 500 KHz switching frequency. /!\ Change of switching frequency impact the inductor).
• Resistor Riadj = 3.01Ku (for 500 mA current limitation , can be adjust up to 10Ku that is equal to a 150 mA current limitation).

(*) Possibility to drive more or less leds (just take care to adjust ‘'Vin’‘ that can start from 4.5V up to 65V, and don’t forget heatsink aspect).

A 4-Layer Version of the 17mm MTN-MAX lpHP, which is capable of higher sustained output levels.

Breakout board for MPU9250 9 DoF motion sensor plus BMP280 altimeter with the EM7180 SENtral sensor fusion hub to test inclusion of pressure data in the 9 DoF sensor fusion result.

Bluetooth beacon with HM-10 module and battery

Contextual Electronics PowerSwap version 1

3 phase motor driver

A generic optimized 16-bit LCD adapter for the Arduino by Andy Brown. This is the original design as provided by Andy’s Gerber files.

Signal conditioning module

Breakout board to test magnetometer performance. Magnetometers include Honeywell’s HMC5883, Asahi Kasei’s AK8963C, and ST Microelectronics' LIS3MDL. Board allows comparative test of basic performance and test of effects of different mag data on EM7180 sensor fusion using the MPU6500 accel/gyro.