Optically Isolated Analog Input Module for Arduino

Optically Isolated Analog Input Module for Arduino

This is an isolated analog input module that is useful for interfacing Analog signals of various types originated from analog...


Liquid or Air Pressure Switch with Relay

Liquid or Air Pressure Switch with Relay

This pressure switch project is built using a piezoresistive transducer, LM358 OPAMP as comparator, and a relay.


Oscilloscope Tester Keyring (OTK) can test your oscilloscope

Oscilloscope Tester Keyring (OTK) can test your oscilloscope

The Engineering Octopus has launched a keyring which helps you keep track of your keys, and also serves as a means to quickly...


NanoPi R4S Headless SBC Supports Up To 4GB RAM and Features Dual Gigabit Ethernet and USB 3.0 Ports

NanoPi R4S Headless SBC Supports Up To 4GB RAM and Features Dual Gigabit Ethernet and USB 3.0 Ports

FriendlyELEC is currently working on new RK3399 SoC based single board computer called NanoPi R4S.


Penguino Feather 4260 SAMR34 based LoRa Dev-Board Features RAK4260 module

Penguino Feather 4260 SAMR34 based LoRa Dev-Board Features RAK4260 module

MakerTronika Labs has launched their Feather compatible board with LoRa connectivity called Penguino Feather 4260.


Components by Tope Oluyemi
Motorized Slide Potentiometer Driver

Motorized Slide Potentiometer Driver

This motorized slide potentiometer is used in lighting and Audio/Video equipment or other similar application.


Photovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC

Photovoltaic Cell Battery Charger / Solar Cell Li-Ion Battery Trickle Charger with MPPC

This is a tiny module that allows users to charge small Li-ion batteries, CR2032 or equivalent, from a low power source such as a...


Components Power by mixos
Tiny USB C LiPo Charger

Tiny USB C LiPo Charger

We have seen a lot of USB Type-C over the years.


E522.48 – 16 channel automotive LED driver with bus interface

E522.48 – 16 channel automotive LED driver with bus interface

The E522.48 is a multi-channel PWM driver for e.g.


Components ICs by mixos
PomaBrush : A Less is More Approach

PomaBrush : A Less is More Approach

PomaBrush is a new innovative, minimalist design electric toothbrush that uses silicone bristles.


Components USB by Rik
Texas Instruments’ TPS61099 Synchronous Boost Converter

Texas Instruments’ TPS61099 Synchronous Boost Converter

Texas Instruments’ converter features 800 nA ultra-low quiescent current Texas Instruments’ TPS61099x is a synchronous boost con...


8 Channel Infra-Red Remote-Control Arduino Shield Using ULN2803

8 Channel Infra-Red Remote-Control Arduino Shield Using ULN2803

This is an 8 channel infra-red remote-control Arduino shield that can drive 8 high current loads such as LEDs, solenoids,...