News & Updates

ESP8266 – Wireless Weather Station with Data Logging to Excel

In this project we are going to establish a wireless communication between two ESPs and send data from three sensors to an Excel spreadsheet. This tutorial shows a wireless weather station with data logging that you can implement in your home. Before you continue reading this project, please complete the following tutorials: How to get started with the ESP8266 […]

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Spansion adds ARM microcontrollers for HMI

Spansion has added two more ARM Cortex-M4-based microcontrollers to its portfolio: the FM4 S6E2DH with an integrated graphics display controller and the S6E2CCxxF/MB9BF568F with self-contained voice command control. “These new product families enable customers to design intuitive next generation human machine interface (HMI) systems,” says Spansion’s Dhiraj Handa.The S6E2DH combines an ARM Cortex-M4 core based

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Hacking the Zsun WiFi SD Card Reader

The goal of this project is to learn as much as possible about the Zsun WiFi card reader and run OpenWrt on it to turn it into an awesome wifi device. UPDATE 2016-04-23 The new PCB is missing a jumper on the RX serial line, see serial port section UPDATE 2016-03-16 The second PCB revision

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LTC3106 – 300mA Low Voltage Buck-Boost Converter with PowerPath and 1.6μA Quiescent Current

Features Dual Input Buck-Boost with Integrated PowerPath™ Manager Ultralow Start-Up Voltages: 850mV Start with No Backup Source, 300mV with a Backup Source Compatible with Primary or Rechargeable Backup Batteries Digitally Selectable VOUT and VSTORE Maximum Power Point Control Ultralow Quiescent Current: 1.6μA Regulated Output with VIN or VSTORE Above, Below or Equal to the Output Optional Backup Battery Trickle

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Qualcomm drops ARM for premium CPU

Qualcomm is dropping ARM for its next top-of-the-range mobile processor. “With the 810 (Snapdragon 810) we made a conscious decision to use licensed cores to accommodate the accelerated shift to 64 bit,” says Qualcomm CEO Steve Mollenkopf, “our next premium processor will use our own 64 bit custom CPU architecture as well as the most

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Maker’s Rule-The Feature Packed PCB Multi-Tool

It has been a while since i posted my Tinker Rule which i made during college days. I received a few requests for the ready to etch pdf which helped me gauge if this seemed to be useful to people. The response was somewhat positive and so, i decided to put in some extra effort

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DC Output Solid State Relay

DC Output Solid State Relay 10Amps 60V DC (Optically Isolated Input) This project has been designed around TLP250/352 which is Opto-Coupler IGBT/MOSFET Gate Driver from Toshiba and Mosfet IRFP260 from IR, This relay consists of optically isolated gate driver and low impedance Mosfet. The combination of low resistance and high load current handling capabilities make

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High Speed USB 3.0 interface with a single chip

The FT600 is a high speed USB 3.0 FIFO bridge with up to 5Gbps of bandwidth. It comes with the option of 16 and 32 bits wide parallel FIFO interface. FT600Q is a 56-pin QFN package with the 16-bit option and FT601Q is a 76-pin QFN package with the 32-bit wide FIFO bus interface. Both

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Kinetis KEA128 StarterTRAK for CAN Applications

This reference design is a low-cost development kit based on Kinetis EA series MCUs that allows faster prototyping and tool reuse. This evaluation board features either one of the KEA128, KEA64 or KEA8 MCUs, depending on the board version. This particular design uses KEA128. The Kinetis EA series MCUs are a highly scalable portfolio of

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Building a low cost wifi camera

Update! Here is a post with the BOM for the project. Sometime ago I came across the Arducam Mini which is quite a nice camera module from UCTronics. It is a small PCB with a two megapixel OmniVision OV2640 sensor, an interchangeable lens and an FPGA to do the heavy lifting of image processing and JPEG

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