Frequency To Voltage Converter (Tachometer) – Variable Reluctance Magnetic Pickup to Voltage Converter
https://www.electronics-lab.com/project/frequency-to-voltage-converter-tachometer-variable-reluctance-magnetic-pickup-to-voltage-converter/
The circuit shown here is a frequency-to-voltage converter that can be used in many applications. This is a signal conditioner for Variable Reluctance Magnetic Pickup Sensor used in engines or machines to detect the speed by sensing gears’ teeth. The input signal level is 20mV to 28V. The circuit provides 1V (67Hz/Volt) when the input […]
Hi-End Microphone Preamplifier with Variable Compression, Noise Gating and Adjustable Gain
https://www.electronics-lab.com/project/hi-end-microphone-preamplifier-with-variable-compression-noise-gating-and-adjustable-gain/
The circuit shown here is a complete microphone signal conditioning system based on a single SSM2166 integrated circuit. Designed primarily for voiceband applications, this integrated circuit provides amplification, RMS detection, limiting, variable compression, and downward expansion. An integral voltage-controlled amplifier (VCA) provides up to 60dB of gain in the signal path with approximately 30kHz bandwidth. […]
250V AC Isolated Voltage-Sensing Circuit with Single output (250V AC Input 5V Output)
https://www.electronics-lab.com/project/250v-ac-isolated-voltage-sensing-circuit-with-single-output-250v-ac-input-5v-output/
The project presented here can be used in isolated voltage sensing measurements applications. The board was built using ISO224B isolated amplifier, isolated 5V DC-DC converter provides 5V DC to the input side of ISO224 amplifier, TLV6001 op-circuit converts the differential signal of ISO224 and provides single-ended output. The circuit measures the 250V AC voltage and […]
Carrier Board for Advanced Phase-Shift PWM Controller UCC3895
https://www.electronics-lab.com/project/carrier-board-for-advanced-phase-shift-pwm-controller-ucc3895/
This is a Phase-Shifted Full-Bridge PWM UCC3895 carrier board that contains all of the features necessary to implement a phase-shifted full-bridge topology power converter. All inputs and outputs pins are accessible using a header connector. A highly-efficient DC-DC converter can be created using this carrier board + External H-Bridge and Transformer. Refer to the datasheet […]
49W BTL 4 Channel Audio Power Amplifier
https://www.electronics-lab.com/project/49w-btl-4-channel-audio-power-amplifier/
This is a 49W – 4 Channel audio amplifier project that is built using TB2941HQ power Integrated Circuit which has a built-in four-channel BTL amplifier developed for car audio applications. The maximum output power is 49W using a pure complementary P-Ch and N-Ch DMOS output stage. In addition, a standby switch, a mute function, and […]
Smartpixels.app Lighting Control Project used to control Christmas lights
https://www.electronics-lab.com/smartpixels-app-lighting-control-project-used-to-control-christmas-lights/
story by Tomasz Siroń I would like to present a project developed with a passion for almost 10 years. It is a non-commercial installation of lights controlled via the Internet. The user can control the illumination in real-time using the panel on the website. I installed computer-controlled lights for the first time in 2012. I […]
PIEEG — A Low-Cost, Raspberry Pi Based Brain-Computer Interface
https://www.electronics-lab.com/pieeg-a-low-cost-raspberry-pi-based-brain-computer-interface/
The study of the electrical waves within the brain as a check for seizure activity relating to sleep disorders, brain tumors or epilepsy, has resulted in a parallel need for affordable EEG-based consumer applications in the healthcare center. Electronics, EEG, BCI, and neutral network Expert, Ildar Rakhmatulin and Co, have started working on a low-cost […]
LoRa Hat Expansion For Raspberry Pi Starts at $40
https://www.electronics-lab.com/lora-hat-expansion-for-raspberry-pi-starts-at-40/
Known for its DIY Robots and Hats for single board computers, SB Components has launched a crowdfunding campaign for its newest devices, LoRa Modules 868/433/915MHz — a LoRa HAT for Raspberry Pi and a LoRa Expansion for Pico, designed for data transmission of up to 5km with low power consumption, and support for auto repeating […]
Infineon Technologies 6EDL7141 Gate Driver IC
https://www.electronics-lab.com/infineon-technologies-6edl7141-gate-driver-ic/
Infineon Technologies 6EDL7141 Gate Driver IC is designed for 3-phase BLDC or PMSM motor drive applications. The 6EDL7141 features three half-bridge drivers, each capable of driving a high side and low side N-type MOSFET. Furthermore, the device is provided with programmable dead time delays for preventing current shoot-through between HS and LS switches in normal […]
e-con Systems launches 4K HDR USB 3.1 UVC camera based on AR0821
https://www.electronics-lab.com/e-con-systems-launches-4k-hdr-usb-3-1-uvc-camera-based-on-ar0821/
High Dynamic Range | Large pixel size (1/2” sensor) | 1080p@60 & 4K@30 fps e-con Systems Inc., a leading embedded camera solutions provider launches an 8MP USB 3.1 color HDR camera See3CAM_CU81 based on the AR0821 CMOS image sensor from On Semiconductor, with an inbuilt Image Signal Processor (ISP). See3CAM_CU81 is an 8MP fixed focus […]