Real-world measurement requires the extraction of weak signals from noisy sources. High common-mode voltages are often present even in differential measurements. The usual approach to this problem is to use an op amp or an instrumentation amplifier and then perform some type of lowpass-filtering to reduce the background noise level. The problems with this traditional […]
Simple circuit provides precision ADC interface Read More »
Programmable relays find use in numerous automation applications such as automatic street light control, watering and pump control, HVAC, home automation, power plants automation in industries, etc. This article describes how to build a fully functional, one-channel programmable relay switch using the PIC16F628A microcontroller. It allows you to set both ON and OFF time. The
PIC16F628A Programmable Digital Timer Read More »
You wake up in the morning. You’re groggy. You grab your phone lazily and start browsing. You check the weather, your stocks, your instagram. Before you know it, you’re running late! Do your mornings look like this too? We’ve been there! We wanted to streamline our mornings so we built a morning feed so that we can
Get your morning update with Beam Read More »
Description The MAX44299 is a low-side current, voltage, and power monitoring circuit that provides an analog output current proportional to the measured current, voltage, and the internally calculated instantaneous power. Instantaneous power is calculated internally by multiplying the load current and a fraction of the load voltage set by an external resistive divider. All three
Current and Voltage Sense with Power Measurement Read More »
UNICEF and ARM have announced a multi-year, multi-million pound partnership to accelerate the development of new technologies to overcome the barriers that prevent millions of families from accessing basic health, education and support services. “We’ll be working with UNICEF’s labs to productise their ideas, ” ARM evp Ian Drew told Electronics Weekly, “we’ll work with
ARM and UNICEF aim to transform peoples’ lives Read More »
Overall Discussion This is a relatively unreliable and coincidentally functional ESP8266 Ethernet driver. It only uses two pins on the ESP, the I2S pins, but does provide Ethernet. It does all its own manchester encoding/decoding, framing, FCS, etc. It mimics the ENC424J600 stack found in avrcraft and borrows the IP, ARP, UDP and TCP stacks
ESP8266 10-Base-T Ethernet Driver Read More »
Features Enhanced Mid-Range Core with 49 Instruction, 16 Stack Levels Flash Program Memory with self read/write capability 256 Bytes of EEPROM Internal 32MHz oscillator 3 x PSMC (Programmable Switch Mode Controller)- Dedicated 16bit PWM- Digital and/or analog feedback control of PWM frequency- Dead-band control / auto-shutdown & restart 4 x Fast Comparators with selectable Voltage
Kemet and Novasentis, developer of haptic and sensory feedback technology for wearable devices, have announced a collaboration to develop next generation Electro-Mechanical Polymer (EMP) film based haptic actuators for wearable devices. Novasentis will provide the core technology and haptic actuator film whereas Kemet will develop the manufacturing process for the final assembly. Production prototype delivery
Flexible haptic actuators designed for wearable devices Read More »
Core Independent Peripherals The following Core Independent Peripherals take 8-bit MCU performance to a new level, while requiring no processor overhead. Configurable Logic Cell (CLC) The CLC provides programmable combinational and sequential logic. It also enables the on-chip interconnection of peripherals and I/O, thereby reducing external components, saving code space and adding functionality. Features User-configurable
Core Independent Peripherals – Simplify Your Design While Reducing Processor Overhead Read More »
DETAILED DESCRIPTION This project is a simple linear bench power supply with adjustable voltage and current. It is meant to be a learning experience, putting ideas of circuit design, feedback, stability into practice building a complete practical power supply. I have intentionally avoided using a 3 terminal regulator or purpose built chip and instead implemented
Linear Bench Power Supply Read More »
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