Nice Chips: Electronics components with great performance, price or features.

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Post your favorite old and new chips and components. They should be above average in some way, unusual or just plain nice to use. Visit this...

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Maxim MAX78002: Cortex M4 MCU with built-in convolutional neural network accelerator, $37.45 @ 1k (www.analog.com)
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The original was posted on /r/nicechips by /u/zip117 on 2023-09-20 14:10:22.

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LR1120: Multi-band Lora and S-band RXTX, Geolocation and wifi RX for 12$ (www.semtech.com)
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The original was posted on /r/nicechips by /u/NumeroInutile on 2023-06-16 12:18:14+00:00.

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Analog Devices ADMV9613 - 60GHz 100Mbps <5cm radio link, in a single PCBA module. (www.analog.com)
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The original was posted on /r/nicechips by /u/snops on 2023-06-14 19:50:35+00:00.

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LT8714 an unusual DC-DC converter with "four quadrant" output (lemmit.online)
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The original was posted on /r/nicechips by /u/Mysterious_Peak_6967 on 2023-05-29 14:40:22+00:00.

Not a new one here, but interesting all the same. The first example is a voltage-programmable converter with an output swing of -5V to +5V from a single positive input. The output is also able to source and sink current.

The datasheet gives some other examples including a current source/sink circuit using another amplifier to sense the current.

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Sub $0.1 Cortex-M0+ - PY32 series from Puya (lemmit.online)
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The original was posted on /r/nicechips by /u/janoc on 2023-02-05 11:42:31+00:00.

https://jaycarlson.net/2023/02/04/the-cheapest-flash-microcontroller-you-can-buy-is-actually-an-arm-cortex-m0/

This is actually cheaper than even the recently posted WCH micro and the parts seem like improved variants of STM32F030 series (but not compatible with them). Even better, the parts are available today, in quantity from LCSC:

https://www.lcsc.com/products/Microcontroller-Units-MCUs-MPUs-SOCs_11329.html?keyword=PY32

So much for the arguments that one can't have cheap ARM micros because of the ARM IP licensing costs.

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A111: 60 GHz Pulsed Coherent Radar - Integrated Baseband, RF front-end and Antenna in Package (lemmit.online)
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The original was posted on /r/nicechips by /u/lefeh on 2023-01-25 20:09:28+00:00.

I used this chip for a job to measure liquid-levels. Really cool and works well but it seemed to be a bit complicated to create the FW/SW for it.

https://www.mouser.se/ProductDetail/Acconeer/A111-001-TR?qs=eP2BKZSCXI7cb1tJ4izqfA%3D%3D

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$3 RISCV 144Mhz, Gigabit MAC w/ PTP 1588, 2x USB, 8 UART, 80 GPIO, DVP video input, LQFP package, SWD, Onboard flash, detailed docs, $6 dev kits available. (www.lcsc.com)
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The original was posted on /r/nicechips by /u/Stonegray on 2023-01-25 02:22:59+00:00.

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Thorough review of many $1 microcontrollers (jaycarlson.net)
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The original was posted on /r/nicechips by /u/hblok on 2023-01-13 05:17:49+00:00.

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Cherry reboots its coveted 1980s keyboard switch (lemmit.online)
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The original was posted on /r/nicechips by /u/Enlightenment777 on 2022-11-04 21:40:24+00:00.

Article

CHERRY MX BLACK CLEAR-TOP

CHERRY MX ERGO CLEAR

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WCH CH32V003 - dirt cheap 48MHz RISC-V Microcontroller, 16KB flash, 2KB RAM, SO8 / SO16 / TSSOP20 / QFN20 packages (lemmit.online)
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The original was posted on /r/nicechips by /u/Enlightenment777 on 2022-11-02 06:52:41+00:00.

WCH Launches a Sub-10¢ RISC-V Microcontroller, While a $6.90 Dev Board Gets You Started

WCH CH32V003 webpage

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UF3N170400B7S, Normally-on, 1700 V SiC Power JFET (400mΩ, 5A). (unitedsic.com)
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The original was posted on /r/nicechips by /u/nic0nicon1 on 2022-09-27 13:17:16+00:00.

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Dual hyperabrupt varactor diode (common cathode), 0.5Ω resistance, 70pF-12pF (1V-5V), $0.5 @ 1K (www.skyworksinc.com)
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The original was posted on /r/nicechips by /u/autumn-morning-2085 on 2022-09-12 15:23:12+00:00.

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ULN62003A - 7 Channel DMOS Transistor Array - pin compatible with classic ULN2003A but has 0.2V drop on outputs, SO-16 package, new product announced in July 2022 (www.diodes.com)
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The original was posted on /r/nicechips by /u/Enlightenment777 on 2022-08-20 01:20:47+00:00.

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TPS237x: 802.3af PoE Powered Device (PD) trigger. Useful when directly interacting with PoE voltage or w/ external DC-DC converter. <$2 ea (www.ti.com)
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The original was posted on /r/nicechips by /u/tbladykas on 2022-08-05 23:28:15+00:00.

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MAX7301: High Speed SPI/4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander (www.maximintegrated.com)
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The original was posted on /r/nicechips by /u/KANahas on 2022-07-28 06:32:57+00:00.

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BME688 Digital low power gas, pressure, temperature & humidity sensor with AI (www.bosch-sensortec.com)
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The original was posted on /r/nicechips by /u/150c_vapour on 2022-07-08 23:49:40+00:00.

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Realtek RTL8735B dual-band WiFi, BLE 4.2, ISP + camera, integrated AI processor, audio codec + onboard analog mic and headphone output SOC development board (www.amebaiot.com)
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The original was posted on /r/nicechips by /u/crabbyhead on 2022-06-10 09:44:21+00:00.

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MIC5019 - Ultra-Small High-Side N-Channel MOSFET Driver with Integrated Charge Pump (ww1.microchip.com)
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The original was posted on /r/nicechips by /u/fullouterjoin on 2022-05-31 22:57:30+00:00.

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The RISC-V MCU CH32V307 is a bad boy (lemmit.online)
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The original was posted on /r/nicechips by /u/thirtythreeforty on 2022-05-20 04:13:08+00:00.

[deleted]

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BUF802, 3.1 GHz, 50 GΩ || 2.4 pF High-Impedance Buffer, 2.3 nV/√Hz Noise (www.ti.com)
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The original was posted on /r/nicechips by /u/nic0nicon1 on 2022-05-17 04:09:18+00:00.

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MAX40203 - ideal diode IC (www.maximintegrated.com)
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The original was posted on /r/nicechips by /u/cillian64 on 2022-04-26 13:37:48+00:00.

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BUF634A - 3750 V/us slew, 250mA output, +/- 18V, 35-210 MHz adj BW buffer. (www.ti.com)
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The original was posted on /r/nicechips by /u/ModernRonin on 2022-04-18 16:38:58+00:00.

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BGS12WN6 - SPDT RF CMOS, 9 GHz Switch. Low 0.16 dB insertion loss @ 1 GHz, 0.7x1mm size, $0.2 @ 1K. (www.infineon.com)
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The original was posted on /r/nicechips by /u/autumn-morning-2085 on 2022-04-10 13:34:49+00:00.

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HC32L110 Smallest ARM MCU (hackaday.com)
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The original was posted on /r/nicechips by /u/Pcdoodle on 2022-03-21 14:43:56+00:00.

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Single/Dual electrically isolated bidirectional SPI transceiver over a single twisted pair! Up to 2Mb/s (www.analog.com)
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The original was posted on /r/nicechips by /u/playaspec on 2022-03-02 22:03:07+00:00.

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