Following the announcement of updates to the PostgreSQL database , we have updated Amazon RDS for PostgreSQL to support PostgreSQL minor versions 13.3, 12.7, 11.12, 10.17, and 9.6.22. This release closes security vulnerabilities in PostgreSQL and contains bug fixes and improvements done by the PostgreSQL community.

AWS Cloud Map now provides the ability to configure the negative caching for DNS queries. AWS Cloud Map is a cloud resource discovery service that allows customers to define custom names for their application resources, such as Amazon Elastic Container Services (ECS) tasks, Amazon Elastic Compute Cloud (EC2) instances, Amazon DynamoDB tables, or any other cloud resource. They can then use these custom names to discover the network location and metadata of these cloud resources from their applications using AWS SDK and authenticated API queries.

You can now use the Amazon Redshift Data API in the AWS Asia Pacific (Osaka) Region to access Amazon Redshift. The Redshift Data API simplifies data access, ingest, and egress from languages supported with the AWS SDK such as Python, Go, Java, Node.js, PHP, Ruby, and C++.

On 6th July 2021, Amazon Pinpoint lowered the Transaction Per Second (TPS) sending limits to 1 TPS for campaigns and journeys. The new limit allows customer to execute slower sends through email, push and SMS channels. This will optimize delivery rates, and allow for easier testing and monitoring. A campaign is a messaging initiative that engages a specific audience segment with a single tailored message, while journeys are multi-step campaigns to guide a user through an experience with multiple messages. Campaigns and journeys are intended for customers with user engagement use cases, and who want to send targeted messages to their users and drive high value actions.

NoSQL Workbench for DynamoDB , a client-side tool that helps you design, visualize, and query nonrelational data models by using a point-and-click interface, now helps you run frequent data-plane operations more easily to modify and access table data. Now, you can save or bookmark as many as 50 DynamoDB data-plane operations in the NoSQL Workbench operation builder.

AWS IoT Core for LoRaWAN now supports customer endpoints in VPCs. With this feature, your IoT devices and applications can communicate with IoT Core for LoRaWAN from your Virtual Private Cloud (VPC) without the need to allow traffic from the VPC to public IP addresses. VPC endpoints are powered by AWS PrivateLink, an AWS technology that enables private communication between your VPC and AWS services, like AWS IoT Core for LoRaWAN, on the private AWS network.

What a come-down, the nation is enveloped in gloom, the government will be blamed for the defeat, infection rates are rocketing and my post-Ministerial career may begin prematurely, Ed confides to his diary. I call up the Permanent Secretary. “We must give the nation something to celebrate,” I tell him. “But what, Secretary of State?” …

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There’s progress for the James Webb Space Telescope, FabNexperia buying the 40 year-old former Inmos fab in Newport,  Simon Segars’ defence for the sale of Arm, the prospect for dumped batteries and a network for women working in aerospace…

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Yesterday’s idea for a Cuk converter synchronous rectifier drive (right) seems to work, according to my use of LTspice. But it needs a rather low value (100Ω) R1 resistor to pull against R2, the 330Ω resistor that turns on (via Q3) the p-channel mosfet represented by the capacitor. As the gate of a mosfet is essentially a …

This story continues at Trying to drive a Cuk rectifier mosfet – a better solution?

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When Bob Noyce was running Sematech in the late 80s – the USA’s last attempt to play catch-up in chip technology – he took a question at a company meeting which asked why the questioner’s job title didn’t match his responsibilities. Noyce replied that he set little store by job titles and that anyone could …

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