This moment in Crowd Supply you can find SPIDriver an intuitive tool for using SPI devices. The campaign that has already collected over $1000 of its $2700 goal, was designed to launch into the market a device to make our lives easier. It can be used with any SPI device such as LCD panels, flash […]
SPIDriver – A better SPI Adapter Read More »
Overview This adapter allows you to interface with your car’s OBD-II bus. It provides you a USB interface using the ELM327 command set and supports all major OBD-II standards: SAE J1850 PWM SAE J1850 VPW ISO 9141-2 ISO 14230-4 ISO 15765-4 CAN Hardware You do not have to be familiar with all the details of
Simple USB to RS232 adapter on pic18f2455 Read More »
Introduction This program is an experimental timed-discharge adapter for a Vericom control panel used with an Orenco Systems AdvanTex® wastewater treatment system (sewage filtration system) marketed by Wastewater Technologies, Inc. Although the Vericom firmware is capable of modification to provide timed-discharge capability by a firmware download via telephone, this adapter was just an experiment to
TIMED DISCHARGE ADAPTER using PIC16F628 Read More »
First on the chopping block, the “EH1205”. Wait! What’s this? The original AC connector is mounted to the PCB. Yes, this has been repackaged! I think we can assume the approvals on the label are fiction. The current rating sure is. Note the ~5mm spark-gap in the upper left (~15kV?). Yes! Can you believe
Teardown: 12V AC adapters – The Horror Read More »
The Internet-of-Things Power Meter (IPM) is a device fixed on top of the regular household power meter that provides detailed information about the electricity usage. Modern power meters have a LED blinking every time a Watt is used, the IPM detects these flashes using a light sensor, counts them, saves the values to an SD
Internet-of-Things Power Meter Read More »
After making the switch from AVR to STM32 microcontrollers, I redesigned my old 6-pin ICSP pogo-programming adapter for SWD. The new design allows programming with pogo pins or a small pin header soldered to the pogo pads for debugging, all with the same cable. The footprint uses surface mount pads only, so it can be
Open-Source SWD Programming Adapter Read More »
The adapter allows you to interface with your car’s OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all OBD-II standards: SAE J1850 PWM SAE J1850 VPW ISO 9141-2 ISO 14230-4 ISO 15765-4 CAN Hardware The adapter kit schematic is shown here. It is built around NXP LPC1517 Cortex-M3
Open-source ELM327 OBD adapter Read More »
This is an old design of the breadboard adapter. Please look at this blog post for the recent design. I designed a single-sided ESP-12/ ESP-07 breadboard adapter PCB which will be easy to etch and solder for anyone who loves to play with the ESP8266 on a breadboard like me. Eagle files are in my
ESP8266 breadboard adapter board Read More »
Adding a Digital Meter and Functions to Analog Geiger Counters The Digital Meter Adapter is a expansion module for adding digital functions to Analog Geiger Counters that have a pulse output. If you’re geiger counter outputs a ttl pulse for every radioactive particle it detects, your Geiger counter will connect to Images SI Inc.’s DMAD
Digital Meter Adapter – DMAD Read More »
Most consumer electronics, from your cell phone to your television, use a switching power supply to convert AC power from the wall to the low-voltage DC used by electronic circuits. The switching power supply gets its name because it switches power on and off thousands of times a second, which turns out to be a
Macbook charger teardown: The surprising complexity inside Apple’s power adapter Read More »
