Easy Pulse mikro – MikroBus form factor pulse sensor
Raj @ embedded-lab.com has designed a new version of his Easy Pulse Sensor. This revision is an add-on board in mikroBus form factor, which enables easy integration with mikroElektronika‘s numerous development boards. It also operates on the principle of transmittance...
Continue ReadingBerkeley Lab makes graphene-MoS2 transistor
U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a way to assemble transistors based on the 2D materials graphene and molybdenum disulfide. By Peter Clarke @ edn-europe.com The method etches narrow channels in conducting graphene...
Continue ReadingLCD 16×2 Interface with Raspberry Pi
shubhamtrivedi95 @ instructables.com shows how to interface a 16x2 LCD display on Raspberry Pi. Sample code is provided. LCD 16x2 Interface with Raspberry Pi -...
Continue ReadingArduino + Thermocouple + Nokia 5110 LCD
abhyu1112 @ instructables.com provides code for thermocouple interface to Arduino and Nokia 5110 LCD display. This is a connection between arduino mega thermocouple and Nokia 5110 screen to display temperature which ranges till 1000*C. It can be used to measure temperature of...
Continue ReadingTritiLED – Multi-year always-on LED
Ted Yapo has designed a multi-year always-on LED replacements for gaseous tritium light sources. TritiLEDs are always-on battery powered LED glow lights for general night-time marking use. Radioactive gaseous tritium light sources (GTLSs) are allowed in the United States in several...
Continue ReadingFactory programming ESP8266 gadgets
Johan Kanflo’s Esprog pogo pin connector: The FTDI connector can be found on just about any ESP8266 design. If you are building a gadget to be deployed somewhere and not a full blown development board, the FTDI connector is somewhat overkill. And it is quite large. A few pins...
Continue ReadingESP8266 based plane spotter
A how-to on building an ESP8266 based plane spotter from Daniel Eichorn: In order to get this project running you’ll need the following list of hardware: NodeMCU ESP8266 module or Wemos D1 Mini 0.96″ SSD1306 OLED display A few connectors and USB Wire Or order a...
Continue Reading850nm infrared LED outputs 770mW at 1A
by Julien Happich@ edn-europe.com Designed for infrared illumination for cameras, surveillance systems or machine vision, the Oslon Black SFH 4715A infrared emitting diode (IRED) boasts a low thermal resistance of maximum 11K/W, delivering a 850nm beam with an optical output of 770mW...
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