CH551 is a $1.80 USB Mini Development board based on the 8-bit C51 micro-controller
WCH (Nanjing QinHeng Corp.) has recently launched a CH55x family of microcontrollers based on an 8-bit C51 core with a USB interface, and I/Os. The boards all come with different I/Os configuration depending on the selected part number. Electro dragon, the popular online store that...
Continue ReadingNanoPi K1 Plus – A New Open-spec SBC By FriendlyElec Powered By Allwinner H5 SoC
FriendlyElec has launched a $35 open-spec “NanoPi K1 Plus” SBC. The new NanoPi K1 Plus is a media-rich board, that switches from the Amlogic S905 SoC (found on the Odroid-C2) to an Allwinner H5 SoC, which is used in several other NanoPi boards. Both the SoCs have 4x Cortex-A53...
Continue ReadingUnderstanding Relay Coil Voltage Specifications
by Robert_Fay @ digikey.com: When learning about relays there are a couple coil voltage specifications that can be a little tricky to understand. There are typically 4 specification for coil voltage listed in the datasheet. For this example we will be looking at relay part Z2352-ND 14....
Continue ReadingTektronix Launches Two New 6½-digit DMM and DAQ systems : DMM6500 And DAQ6510
Tektronix, a US-based company, has introduced two new Keithley 6½-digit models to its line of Digital Multimeters (DMMs) and data-acquisition systems: The new DMM6500 DMM and also the new DAQ6510 data-acquisition system. The company has also upgraded their Kickstart measurement...
Continue ReadingApplePi DAC Audio HAT Add-on For The Raspberry Pi Features 24-bit DAC And A 128dB SNR
Orchard Audio quickly exceeded its $5K Kickstarter goal for its ApplePi DAC HAT board, which it is promoted as “the most advanced and highest performance sound card hat for the Raspberry Pi.” You can order the add-on board from May 13 starting at $175. Options include a $5...
Continue ReadingHow to Get Started With The Raspberry Pi
The Raspberry Pi is a low cost, credit-card sized computer that plugs into a computer monitor or TV and uses a standard keyboard and mouse. It is a capable device that enables people of all ages to explore computing and learn how to program in languages like Scratch and Python. It’s...
Continue ReadingSOUNDCAM – The World First True Handheld Sound Camera for Everyone
Every day of our lives we get bombarded with different sounds around. Loud music, radio, people talking on their phone, automobile, traffic, and those unknown late night quacking sounds. All of these sounds are what makes our day to day activities, and we have even gotten...
Continue ReadingBML GPIO-14 USB Board for PCs
BML project for using a $2 FTDI FT260Q for adding 14 bits of GPIO to any PC via USB with no device drivers required. Ever miss the simple days of using a PC’s LPT1 parallel port to bit-bang GPIO over 8 output pins and 4 input pins of the DB-25 connector? I sure do. My first design...
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