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Capture 16-bit readings of 8 thermistors in less than 1 second for $2
Figure 1 is a cheap and cheerful voltage inverter I offered awhile back in “A simple, accurate, and efficient charge pump voltage inverter for $1”. Figure 1 The generic and versatile xx4053 provides...
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“Half & Half” piezo drive algorithm tames overshoot and ringing
Piezoelectric actuators (benders, stacks, chips, etc.) are excellent fast and precise means for generation and control of micro, nano, and even atomic scale movement on millisecond and faster...
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Sensor powers AI detection in slim devices
The OV0TA1B CMOS image sensor from Omnivision fits 3-mm-high modules, ultrathin-bezel notebooks, webcams, and IoT devices. This low-power sensor is well-suited for AI-based human presence detection,...
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Online tool programs smart sensors for AIoT
ST’s web-based tool, AIoT Craft, simplifies the development and provisioning of node-to-cloud AIoT projects that use the machine-learning core (MLC) of ST’s smart MEMS sensors. Intended for both...
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Taking a peek inside an infrared thermometer
Back in September, within the introduction to my teardown of a pulse oximeter, I wrote: One upside, for lack of a better word, to my health setback [editor note: a recent, and to the best of my...
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Application processors optimize industrial control
NXP’s i.MX 94 family of application processors combines communications, safety, and real-time control functions into a single SoC. They include a 2.5-Gbps Ethernet time-sensitive networking (TSN)...
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Thin micro speaker enables sleek designs
Sycamore, a full-range, all-silicon near-field micro speaker from xMEMs, is 1/7th the size and 1/3rd the thickness of conventional dynamic drivers. Coming in at just 8.41×9×1.13 mm and weighing only...
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NFC inlays are powered by NXP’s ICODE 3
Identiv’s high-frequency NFC-enabled inlays leverage NXP’s ICODE 3 tag IC, boosting RF performance and read speed. Designed for IoT applications, the ICODE 3 chip includes features suited for...
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Smart card IC elevates NFC security
MIFARE DOUX, NXP’s contactless near-field communication (NFC) chip, integrates asymmetric and symmetric cryptography in one IC to simplify key management and distribution. The smart card IC enhances...
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Wireless fabric-based charging
You’ve likely read or seen video reports of various university research projects which use fabric—usually fashioned into a shirt—as an energy-harvesting arrangement. Some of these use fabrics which...
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∆Vbe bread dough incubator
I was surprised recently when a (nearly) two-decade-old design idea of mine for take-back-half temperature control got a question from reader John Louis Waugaman. John says he needs a way to control...
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Shunt monitors detect vehicle currents
ZXCT18xQ automotive current shunt monitors from Diodes measure small sense voltages across common-mode voltages up to 26 V. Operating from a 2.7-V to 5.5-V supply, these AEC-Q100 qualified...
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Tiny Hall element delivers InAs sensitivity
The HQ0A11, an indium arsenide (InAs) Hall element from AKM, is the smallest and thinnest in the company’s high-sensitivity HQ series. At just 0.8×0.4×0.23 mm, the HQ0A11 reduces volume by 85% compared...
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MPU controls multi-axis motors in real time
Renesas’s RZ/T2H microprocessor, its most advanced for industrial equipment, enables precise control of robot motors with up to nine axes. The device’s application processing and real-time performance...
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Wireless combo modules offer global connectivity
Silicon Labs’ SiWx917Y series of Wi-Fi 6 and Bluetooth LE 5.4 modules provides plug-and-play simplicity with global RF certifications, helping to accelerate development. Intended for battery-powered...
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The Blink Mini: AC-powered indoor camera-based security
One portion—battery-operated outdoor-optimized devices—of Blink’s security camera product line (bought by Amazon in December 2017, followed shortly thereafter by Amazon’s acquisition of Ring, and with...
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Synthesize precision bipolar Dpot rheostats
The ubiquitous variable resistance circuit network shown in Figure 1… Figure 1 Classic adjustable resistance; Rmax = Rs + Rr; Rmin = Rs. …can be accurately synthesized in solid state circuitry built...
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Industrial MCU packs EtherCAT controller
GigaDevice has introduced the GD32H75E 32-bit MCU, featuring an integrated GDSCN832 EtherCAT subdevice controller, which is also available as a standalone device. Both components target industrial...
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CES 2025’s sensor design highlights
Sensing solutions—a vital ingredient in automotive, consumer and industrial applications—are prominent features in the offerings displayed at CES 2025 held in Las Vegas, Nevada on from 7 to 10 January....
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CES 2025: Wirelessly upgrading SDVs
In-vehicle systems have massively grown in complexity with more installed speakers, microphones, cameras, displays, and compute burden to process the necessary information and provide the proper, often...
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