D7S Vibration Sensor From Omron
Sensor

D7S Vibration Sensor From Omron

Omron announced a new seismic sensor and claims it’s the world's smallest in size. D7S sensor is a MEMS 3-axis acceleration sensor featuring OMRON's unique SI value calculation algorithm, which has a high correlation with the seismic intensity scale that indicates the magnitude of an...

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Arduino Geiger–Müller counter with LCD display
Arduino

Arduino Geiger–Müller counter with LCD display

Bob tipped us with his latest project. It's a custom Arduino shield able to communicate with a Geiger-Muller counter and display data on a LCD display. The data are displayed in two layouts: bar graph of the pulses in one minute interval and histogram of the gathered data. In the...

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Disconnect circuit for 12 volt lead acid and lithium batteries
Power

Disconnect circuit for 12 volt lead acid and lithium batteries

KA7OEI designed a circuit that disconnects the battery when it over-discharges. He writes: The avoidance of overcharging is usually pretty easy to avoid: Just use the appropriate charging system – but overdischarge is a bit more difficult, particularly if the battery packs in...

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Thermometer 0-99C Using PIC16F1825
Test/Measurements

Thermometer 0-99C Using PIC16F1825

This digital temperature meter provides real-time temperature values from 00 to 99 degrees Celsius. The Temperature Monitor project built using PIC16F1825 Microcontroller from Microchip, CAT4016 serial to display driver IC from ON-Semiconductor, DS18200 Temperature sensor and two 7...

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dot – The Physical Push Notification
Technology

dot – The Physical Push Notification

Dot uses precise location tracking to make your smartphone’s notifications highly intelligent and contextual. dot uses your location to make your smartphone more aware of your surroundings. Launching Soon. Sign up for updates and get 10% off our Kickstarter! Dot want to teach...

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Environmental Monitoring with TPS, Azure, and PowerBI
Test/Measurements

Environmental Monitoring with TPS, Azure, and PowerBI

Сollect environmental data with Tibbo Project System devices, process it with Azure Stream Analytics and visualize using Power BI. Environmental Monitoring with TPS, Azure, and PowerBI -...

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Using Bluetooth LE in Products
Mcu

Using Bluetooth LE in Products

Jone Teel over Makezine walked through how to use BLE (Bluetooth Low Energy ), aka Bluetooth smart, in an electronic product. BLE, unlike classic Bluetooth, it's not designed for big data transmission or streaming audio or video. BLE comes in SoC (System on Chip) ICs which combine a RF...

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How to Upgrade Your ESP8266 SPI Flash to 4MB
Mcu

How to Upgrade Your ESP8266 SPI Flash to 4MB

ESP8266, the well known WiFi module contains an ESP8266EX SoC IC and an external SPI flash. This external SPI flash is used together with ESP8266EX to store user programs. The supported size of flash by ESP8266EX is up to 16MB but some of ESP8266 modules contain flash chips with low...

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