HC-SR04 Ping Sensor Hardware Mod
by cascologix.com: HC-SR04 ultrasonic sensor modules, also commonly called ping sensors, are practically a dime a dozen, with many Asia online retailers selling them in the $2 to $3 dollar range each. While possibly not intended for an end solution or product, these sensors offer a...
Continue ReadingEEVblog #797 – Siglent SDS1000X Oscilloscope Review
In a world first Dave takes an initial first impressions look at the new Siglent 1000X Series 200MHz entry level oscilloscope. What do you get for US$499? How does it compare to the Rigol DS2000 Series? EEVblog #797 - Siglent SDS1000X Oscilloscope Review -...
Continue ReadingPower Management Solutions: Battery Chargers
Maurizio @ dev.emcelettronica.com writes: Out of all portable devices, the most numerous are the mobile phones (Figure 1). Most of them feature Li-ion or Li-polymer accumulators and Freescale has a broad range of charger ICs dedicated to supporting all the phases of a complete...
Continue Reading1A from the sugar cube sized module
With continuous improvement TRACO unveils the SMD version of enormously successful 1A DC/DC converter, the TSR1SM. The TSR1SM series models of step-down switching regulators (non isolating – POL) have a high efficiency up to 96 % which allows full load operation up to +65°C...
Continue Reading8T49NS010 Clock Synthesizer and Fanout Buffer/Divider
This reference design features the 8T49NS010 integrated circuit that functions as a clock synthesizer with a built-in fanout buffer and divider. By using an external clock source or a crystal, the 8T49NS010 can generate high performance timing geared towards the communications and...
Continue ReadingSmart Garden
by FABLAB Dhahran @ instructables.com: In this project we will design and program a smart garden watering system. This system will use Arduino UNO and a moisture sensor to measure the volumetric water content in soil. It will also have a light (photocell) sensor to detect when the...
Continue ReadingIndustruino – Arduino compatible industrial controller
Industruino is a fully featured Arduino Leonardo compatible board housed in a DIN-rail mountable case + prototyping area + onboard LCD + membrane panel. With this product you will be able to permanently install your Arduino application in no-time. Whether you use it for automation...
Continue ReadingAC energy metering board using an Atmel 90E24 energy metering chip
Steve Rodgers writes: Here’s my latest project. Its an AC energy metering board using an Atmel 90E24 energy metering chip. The board can either take an ESP8266-12 and run a native C application, or the ESP8266-12 can be omitted, and an external microcontroller can be used to talk...
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